with the crisis in the east china sea. morimoto and steven smith agreed on the need to tight maritime security and cooperate with their u.s. allies. >> we were able to come up with a constructive aim in building up japan, australia relations toward defense cooperation. >> morimoto said japanese authorities have been struggling to respond to chinese and taiwanese vessels approaching the territory. he said he and his colleagues are seeking twice maintain stable ties. smith said australian officials hope for a peaceful and legal solution. >> australia's contribution in this area is to make the following points, which is we don't take sides in these disputes but absolutely essential that these matters resolved am mick cabbly, in accordance with international law and the law of the sea. >> smith promised australian diplomats would urge china to be a positive constructive member of the international community. >>> china brought its first aircraft carrier into service amid tensions with japan. president hu jintao, when gentleman boo and others attend the event. the aircraft carrier is named "lianang.